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Oceans and Seas of the World. The Mariana Trench is the deepest location on Earth at 11,034 meters; in fact, Mount Everest would be completely submerged if placed at the bottom. We read headlines almost daily telling us that the oceans are choked with plastic, overfished, and rapidly acidifying. Providing ideas and resources for linking aspects around Seas and Oceans to science topics such as: habitats, food chains, classification, skeletal structure, teeth, … • Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name. Environment. In conclusion, the essential difference between oceans and seas is that oceans are massive saline water bodies that exist on the Earth's surface while seas are vast saline waters that are either connected or not connected to the ocean. Terminology. The depth and distance from shore strongly influence the quantity and biodiversity of the plants and animals that live there. They also serve as the foundation for much of the world’s economy, supporting sectors from tourism to fisheries to international shipping. Seas and oceans stretch from pole to pole and reach around the globe. See Borders of the oceans for details. Seas are somewhat harder to define. World: Oceans, Seas and Lakes - Map Quiz Game: Approximately 71 percent of the Earth’s surface is covered in water. D eclarations that the ocean is dying have become commonplace. Due to this primary difference, seas are used more for commercial fishing, while oceans are utilized for mining other resources, such as oil and natural gases. Africa, the world's second-largest continent, is bounded by the Atlantic, Indian and Southern oceans, as well as by the Red and Mediterranean seas. An ocean is a vast body of water whereas a sea is a comparatively small and partially confined body of water surrounded by land. World: Oceans, Seas and Lakes - Map Quiz Game: Approximately 71 percent of the Earth’s surface is covered in water. There is one global ocean, a vast continuous body of salt water that can be broken down into five major basins. • One of the primary differences between oceans and seas is that … Oceans and Seas of the World. Healthy oceans, seas, coastal and inland waters are vital for our societies and the future of our planet. Smaller ocean regions such as the Mediterranean Sea, Gulf of Mexico, and the Bay of Bengal are called seas, gulfs, and bays. Yet even in “dying,” we are told, the ocean threatens human existence as sea levels rise, sea surface temperatures increase, and commercial fish stocks disappear. Oceans are the largest bodies of water that cover about 72 percent of the Earth's surface. A song to help kids learn the 5 oceans in order from largest to smallest.Subscribe! Europe: Bodies of Water - Map Quiz Game: The Mediterranean is considered the world’s largest inland sea. A marginal sea is an area of water that is a "partially enclosed sea adjacent to or widely open to the open ocean" (Wikipedia.org). Author: NOAA This online map is a great way to learn the locations of the world’s oceans, seas and lakes. The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans. Oceans, seas and marine resources are increasingly threatened, degraded or destroyed by human activities, reducing their ability to provide crucial ecosystem services. Where is it coming from? Sea is also used to get salt for commercial purposes. Each ocean has its own range of temperatures and flow of currents, but water constantly flows from one to another. Planet Earth Details. The sea also controls the climates of the earth through the process of evaporation and condensation. Africa, the world's second-largest continent, is bounded by the Atlantic, Indian and Southern oceans, as well as by the Red and Mediterranean seas. Oceans feed us, regulate our climate, and generate most of the oxygen we breathe. Generally speaking, they are bodies of water that are partially enclosed or surrounded by land. Defining what is a sea and what is an ocean is not an exact science. While there is technically one global ocean, experts generally divide it up into five major interconnected basins: the Pacific, the Atlantic, the Indian, the Southern, and the Arctic. Numerous factors influence the amount and level of diversity of these creatures within specific regions. They cover more than 70 percent of the Earth's surface and hold in excess of 300 million cubic miles of water. Regardless, some seas have great depths, such as the Caribbean, which is the deepest in the world at 7,686 meters—a number significantly higher than the average depth of the ocean. They are a source of healthy food, contributing 16% of the animal protein we eat. While this seas of the world list isn't all-encompassing, it does include the world's 10 largest seas, in order from largest to smallest: The ocean is a large open body of salt water. Greatest Depths in the Ocean. In the examples below, these large seas do happen to be connected to oceans. In the Spring of 2000, the International Hydrographic Organization delimited a new ocean, the Southern Ocean (it surrounds Antarctica and extends to 60 degrees latitude). There are five oceans, separated by the continents (large areas of land), with the Atlantic, Pacific, and Indian Ocean linked in the south by the Southern Ocean. Learn more about the Caribbean Sea in this article. 80% of plastic in our oceans is from land sources – but what does that really mean? An ocean is a large body of sea water. Pacific Ocean is the largest among all the five oceans of the world . The oceans are among our biggest resource for life on earth, and also our biggest dumping grounds. Experts estimate that there are approximately one million species of animals living in the ocean; however, they are not evenly spread out across the globe. Important classes of threats are, among others, climate change, marine pollution, unsustainable extraction of marine resources and physical alterations and destruction of marine and coastal habitats and landscapes. Maximum and minimum salinity during June ( increased evaporation ) and December ( low ). Shallower than oceans and seas contain an epipelagic zone as it extends from surface! Ocean has its own range of temperatures and flow of currents, but all the stand! By two main methods: tide gauges and satellite altimeters more than 90 percent of the planet inland sea seas... Southern ocean, Indian, and also our biggest resource for life on Earth, and contain 97 percent the! 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